package com.liyiqing.commonservice.validator;

import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import java.util.HashSet;
import java.util.Set;

public class ListValueConstraintValidator implements ConstraintValidator<ListValue,Integer> {

    private Set<Integer> set = new HashSet<>();

    //初始化方法
    @Override
    public void initialize(ListValue constraintAnnotation) {
        //获取ListValue注解 的 values中的内容
        int[] values = constraintAnnotation.values();
        for (int value : values) {
            set.add(value);
        }

    }

    //判断是否校验成功
    //value 是需要校验的值
    @Override
    public boolean isValid(Integer value, ConstraintValidatorContext constraintValidatorContext) {
        return set.contains(value);
    }


}
